CN210025287U

CN210025287U - Clamping mechanism based on elastic buckle

Info

Publication number: CN210025287U
Application number: CN201920801414.2U
Authority: CN
Inventors: 唐凯; 樊雪婧
Original assignee: SUZHOU HOLDEN AUTO Co Ltd
Current assignee: SUZHOU HOLDEN AUTO Co Ltd
Priority date: 2019-05-30
Filing date: 2019-05-30
Publication date: 2020-02-07
Anticipated expiration: 2029-05-30

Abstract

The utility model discloses a fixture based on elastic buckle, fixture includes that fixture includes firing pin and fixed mounting in the elastic clamping jaw of firing pin both sides, the firing pin protrusion sets up outside elastic clamping jaw, and fixture is used for realizing elastic buckle's centre gripping and release. The utility model discloses a firing pin and elastic clamping jaw's design among fixture can realize having better centre gripping stability to elastic buckle's centre gripping and release, has shortened whole process time, has improved the generation efficiency.

Description

Clamping mechanism based on elastic buckle

Technical Field

The utility model relates to a mechanical automation technical field especially relates to a fixture based on elastic buckle.

Background

The automobile panel is usually provided with a plurality of reserved hole sites, the elastic buckles 10' shown in fig. 1a and 1b are fixedly arranged in the corresponding hole sites, and the elastic buckles can be fixedly arranged with the corresponding parts, so that the fixed installation of the automobile panel is realized.

Fig. 1a and 1b show an elastic buckle 10 'commonly used in the prior art, which is made of aluminum or aluminum alloy, and includes a bottom wall 11', side walls 12 'extending from two sides of the bottom wall, an extension arm 13' extending from the top of the side wall, and an elastic arm 14 'installed in the side walls, specifically, the side walls include a first side wall 121' connected to the bottom wall 11 ', a second side wall 122' connected to the top wall, and a third side wall 123 'connecting the first side wall and the second side wall, the second side wall 122' is substantially parallel to the first side wall 121 ', the second side wall 122' is bent inward relative to the first side wall 121 'by the third side wall 123', the second side wall 122 'and the top wall 13' enclose a mounting groove 1202 ', a hollow receiving hole is formed in the side wall 12', and an expanded planar shape of the elastic arm 14 'is corresponding to an expanded planar shape of the receiving hole 1201', the plane area of the receiving hole 1201 'is slightly larger than that of the elastic arm 14', the elastic arm 14 'includes a first elastic arm 141' fixed to the second sidewall 122 ', a third elastic arm 143' facing the receiving hole 1201 ', and a second elastic arm 142' connecting the first elastic arm 141 'and the third elastic arm 143', the second elastic arm 142 'is bent outward along the first elastic arm 141', and the third elastic arm 143 'is bent outward along the second elastic arm 142'. In addition, the bottom wall 11 'is provided with protrusions 111' on both sides.

When the elastic buckle 10 'is installed, the bottom wall 11' is embedded towards the reserved hole on the panel, force is applied to the extension arm 13 ', the side walls 12' on the two sides are inwards contracted due to the elastic action, when the first side wall 121 'is completely embedded into the hole, the two sides of the hole are respectively clamped in the mounting grooves 1202' on the two sides of the elastic buckle, and therefore the installation of the elastic buckle and the reserved hole on the panel is achieved. When the fixing piece is installed in the elastic buckle, the elastic arm 14 'can extend outwards when the fixing piece is installed, and the elastic arm 14' resets after the installation is completed, so that the fixing piece is fixed in the elastic buckle.

However, the installation of elastic buckle and panel among the prior art is manual installation usually, needs the manual elastic buckle that picks up, has influenced installation effectiveness greatly, and the manual work picks up and has certain potential safety hazard.

Therefore, in view of the above technical problems, it is necessary to provide a clamping mechanism based on an elastic buckle.

SUMMERY OF THE UTILITY MODEL

In view of this, the utility model aims at providing a fixture based on elastic buckle to realize picking up of elastic buckle.

In order to achieve the above object, an embodiment of the present invention provides the following technical solutions:

the clamping mechanism comprises a firing pin and elastic clamping jaws fixedly mounted on two sides of the firing pin, wherein the firing pin is arranged outside the elastic clamping jaws in a protruding mode, and the clamping mechanism is used for clamping and releasing the elastic buckle.

As a further improvement of the utility model, the firing pin includes the firing pin installation department, is fixed in the firing pin main part on the firing pin installation department and is fixed in the firing pin tip of firing pin main part tip, be equipped with the through-hole that cavity set up on the firing pin tip, the width of through-hole is greater than the width of elastic arm in the elasticity buckle.

As a further improvement of the present invention, the elastic clamping jaw includes a clamping jaw main body portion fixedly mounted on the firing pin, a clamping jaw connecting portion fixed on the clamping jaw main body portion, and two clamping jaw clamping portions fixedly mounted on the clamping jaw connecting portion, and a distance between the two clamping jaw clamping portions is greater than a width of the elastic arm in the elastic buckle.

As a further improvement of the utility model, the thickness of the end part of the firing pin is larger than the distance between the two elastic arms in the elastic buckle in the natural state.

As a further improvement of the present invention, the distance between the jaw connecting portion and the striker gradually decreases from the end connected to the jaw main body portion to the end connected to the jaw holding portion.

As a further improvement, the clamping jaw clamping part is outwardly protruded, and the distance between the clamping jaw clamping part and the firing pin is gradually increased and then decreased along the end connected with the clamping jaw connecting part to the end far away from the clamping jaw connecting part.

As a further improvement of the present invention, two the distance between the clamping jaw clamping portions is greater than the width of the elastic arm in the elastic buckle.

As a further improvement of the utility model, the firing pin end is provided with an inclined transition surface at the periphery of the through hole.

The utility model has the advantages that:

the design of the firing pin and the elastic clamping jaw in the clamping mechanism can realize clamping and releasing of the elastic buckle, has better clamping stability, shortens the whole process time and improves the generation efficiency.

Drawings

In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings needed to be used in the description of the embodiments or the prior art will be briefly described below, it is obvious that the drawings in the following description are only some embodiments described in the present invention, and for those skilled in the art, other drawings can be obtained according to the drawings without creative efforts.

Fig. 1a is a schematic perspective view of an elastic buckle in the prior art;

FIG. 1b is a schematic side view of an elastic buckle in the prior art;

fig. 2 is a schematic perspective view of a cartridge clip assembly according to a first embodiment of the present invention;

fig. 3 is another schematic perspective view of the cartridge clip assembly according to the first embodiment of the present invention;

fig. 4 is a schematic front view of a cartridge clip assembly according to a first embodiment of the present invention;

fig. 5 is a schematic back side view of the cartridge clip assembly according to the first embodiment of the present invention;

fig. 6 is a schematic side view of the cartridge clip assembly according to the first embodiment of the present invention;

fig. 7 is a schematic perspective view of the clamping mechanism and the elastic buckle according to the first embodiment of the present invention;

fig. 8 is a schematic side view of the clamping mechanism and the elastic buckle according to the first embodiment of the present invention;

fig. 9 is a schematic plan view of a striker according to a first embodiment of the present invention;

fig. 10 is a schematic perspective view of the elastic clamping jaw according to the first embodiment of the present invention;

fig. 11 is a schematic side view of the elastic clamping jaw according to the first embodiment of the present invention;

fig. 12 is a schematic view of an assembly structure of the clamping mechanism and the elastic buckle according to the first embodiment of the present invention;

fig. 13 is a schematic perspective view of the feeding mechanism and the first driving mechanism according to the first embodiment of the present invention;

fig. 14 is an exploded view of the chute according to the first embodiment of the present invention;

fig. 15 is a schematic perspective view of a material distributing head according to a first embodiment of the present invention;

fig. 16 is a schematic view of a partial structure of a junction between a chute and a branch stub bar according to a first embodiment of the present invention.

Wherein:

elastic buckle 10 ', bottom wall 11 ', side wall 12 ', extension arm 13 ', elastic arm 14 ';

the first side wall 121 ', the second side wall 122 ', the third side wall 123 ', the first elastic arm 141 ', the second elastic arm 142 ', the third elastic arm 143 ', the protrusion 111 ', the receiving hole 1201 ', and the mounting groove 1202 ';

the device comprises a fixed bottom plate 10, a clamping mechanism 20 and a feeding mechanism 30;

a striker 21, a striker mounting portion 211, a striker main body portion 212, a striker end portion 213, and a through hole 2131;

an elastic jaw 22, a jaw body 221, a jaw connecting portion 222, and a jaw clamping portion 223;

the material channel 31, the material channel bottom plate 311, the material channel cover plate 312, the material channel side plate 313 and the straight line groove 3101;

the material distributing head 32, a material distributing head base 321, a material distributing head body 322 and an accommodating groove 3221;

the first cylinder 41;

a second cylinder 51, a rotary shaft 52, a connecting block 53;

the linear guide 541, the slider 542, the rack 543, the gear 544, the rack fixing block 545, the limiting block 546, the limiting member 547, the limiting member body 5471, and the limiting nut 5472.

Detailed Description

In order to make the technical solutions in the present invention better understood, the technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, but not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative efforts shall belong to the protection scope of the present invention.

Terms such as "left", "right", and the like, used herein to denote relative spatial positions, are used for ease of description to describe one element or feature's relationship to another element or feature as illustrated in the figures. The spatially relative positional terms may be intended to encompass different orientations of the device in use or operation in addition to the orientation depicted in the figures. For example, if the device in the figures is turned over, elements described as being "to the left" of other elements or features would then be oriented "to the right" of the other elements or features. Thus, the exemplary term "left side" may encompass both left and right orientations. The device may be otherwise oriented (rotated 90 degrees or at other orientations) and the spatially relative descriptors used herein interpreted accordingly.

Referring to fig. 7 to 12 in combination with fig. 1a and 1b, a clamping mechanism 20 according to an embodiment of the present invention includes a striker 21 and elastic jaws 22 fixedly mounted on two sides of the striker, the striker is protruded out of the elastic jaws, and the clamping mechanism is used for clamping and releasing the elastic buckle 10'.

Referring to fig. 7 and 8, the striker 21 includes a striker mounting portion 211, a striker main body portion 212 fixed to the striker mounting portion, and a striker end portion 213 fixed to an end of the striker main body portion, a hollow through hole 2131 is provided in the striker end portion 213, and a width of the through hole 2131 is greater than a width of the elastic arm 14 'of the elastic buckle 10'.

Referring to fig. 10 and 11, the elastic jaw 22 includes a jaw body 221 fixedly mounted on the striker, a jaw connecting portion 222 fixed on the jaw body, and two jaw holding portions 223 fixedly mounted on the jaw connecting portion, and a distance between the two jaw holding portions 223 is greater than a width of the elastic arm 14 'of the elastic buckle 10'.

Specifically, the striker mounting portion 211 is fixedly mounted on a side surface of the connecting block 53 by a bolt or the like, the two elastic claws 22 are symmetrically mounted at lower ends of two sides of the striker body portion 212, the elastic claws 22 are symmetrically distributed along the striker end 213, and the lower end of the striker end 23 is disposed outside the elastic claws 22 in a protruding manner.

Preferably, the distance between the jaw connecting portion 222 and the striker end 213 in this embodiment gradually decreases from the end connected to the jaw body portion 221 to the end connected to the jaw holding portion 223; the jaw clamping portion 223 protrudes outward, and the distance between the jaw clamping portion 223 and the striker end 213 gradually increases and then gradually decreases from the end connected to the jaw connecting portion 222 to the end away from the jaw connecting portion 222.

The clamping principle of the clamping mechanism 20 in this embodiment is as follows:

referring to fig. 7 and 8 in combination with fig. 12, first, the striker end 213 and the elastic clamping jaw 22 are aligned with the opening of the elastic buckle 10 ', the elastic buckle 10' is fixed, the clamping mechanism 20 is driven to move downward, and the striker end 213 and the two elastic clamping jaws 22 are driven to be inserted between the side walls 12 'of the elastic buckle 10'.

During downward insertion, the striker end 213 abuts against the elastic arm 14 ', the thickness of the striker end 213 is greater than the distance between the two elastic arms 14 ' in the natural state, because the elastic arm 14 ' has elasticity, the elastic arm 14 ' is pushed outwards during the downward movement of the striker end 213, the third elastic arm 143 ' of the elastic buckle 10 ' is bent outwards along the receiving hole 1201 ', and finally the striker end 213 moves to abut against the bottom wall 11 ', and at this time, the elastic arm 14 ' is partially received in the through hole 2131 of the striker end 213.

The jaw clamping portion 223 of the elastic jaw 22 first contacts with the second sidewall 122 ' of the elastic buckle 10 ', and because the jaw clamping portion 223 has a certain elasticity, the jaw clamping portion 223 bends inward when continuing to move downward until the jaw clamping portion 223 abuts against the first sidewall 121 ' along the third sidewall 123 ', and at this time, the jaw connecting portion 222 abuts against the second sidewall 122 ', and finally the clamped state is shown in fig. 12.

After the clamping mechanism 20 clamps the elastic buckle 10 ', the assembly between the elastic buckle 10 ' and the hole on the panel can be integrally realized, and two sides of the hole are respectively clamped in the mounting grooves 1202 ' on two sides of the elastic buckle.

After the elastic buckle 10 'is installed, since the installation groove 1202' of the elastic buckle 10 'is relatively fixed to the hole on the panel, the clamping mechanism 20 is pulled out upward to separate the clamping mechanism 20 from the elastic buckle 10'.

During the separation process, the jaw connecting portion 222 and the jaw holding portion 223 of the elastic jaw 22 are bent inward, the jaw connecting portion 222 moves upward along the second sidewall 122 ', the jaw holding portion 223 moves upward along the first sidewall 121', the third sidewall 123 'and the second sidewall 122', and finally the elastic jaw 22 is separated from the sidewall of the elastic buckle.

When the striker end 213 moves upward, the first elastic arm 141 ', the second elastic arm 142 ', and the third elastic arm 143 ' are bent, so that the elastic arm 14 ' is separated from the through hole 2131 of the striker end 213, and the striker end 213 is separated from the elastic arm 14 '.

Preferably, in this embodiment, the width of the through hole 2131 is equivalent to the width of the junction between the first elastic arm 141 ' and the second elastic arm 142 ', and when the junction between the first elastic arm 141 ' and the second elastic arm 142 ' is received in the through hole 2131, the through hole 2131 can limit the elastic buckle 10 ' in the left-right direction.

Further, an inclined transition surface is provided between the through hole 2131 and the striker end 213 to enable mutual movement between the resilient arm 14' and the striker end 213.

Referring to fig. 2 to 6, a specific application of the clamping mechanism in the above embodiment in a cartridge assembly is shown, the cartridge assembly includes:

a fixed base plate 10;

the clamping mechanism 20 is rotatably arranged on the fixed base plate 10, the clamping mechanism 20 comprises a firing pin and elastic clamping jaws fixedly arranged on two sides of the firing pin, and the clamping mechanism is used for clamping and releasing the elastic buckle;

the feeding mechanism 30 comprises a material channel 31 fixedly arranged on the fixed bottom plate and a material distributing head 32 communicated with the material channel, and the elastic buckle 10' is conveyed from the material channel 31 to the material distributing head 32;

the first driving mechanism is used for driving the distributing head to perform linear reciprocating motion;

and the second driving mechanism is used for driving the clamping mechanism to rotate.

The structure and principles of the clamping mechanism 20 will not be described in detail herein.

Referring to fig. 13, the feeding mechanism 30 includes a material channel 31 fixedly installed on the fixed base plate and a material distributing head 32 communicated with the material channel, and the elastic buckle 10' is conveyed from the material channel 31 to the material distributing head 32.

Referring to fig. 13 and 14, the material channel 31 is formed by enclosing a material channel bottom plate 311, a material channel cover plate 312 and two material channel side plates 313, the inner side surfaces of the material channel side plates 313 are inclined, the lower surface of the material channel cover plate 312 is recessed, and the cross section of the receiving space in the material channel 31 is in a hollow inverted isosceles trapezoid shape.

In addition, the material channel cover plate 312 is provided with linear grooves 3101 which are longitudinally distributed, the arrangement of the linear grooves 3101 can observe the distribution condition of the elastic buckles in the material channel, and the observation and maintenance are convenient when the elastic buckles are blocked.

In this embodiment, the elastic buckle 10 ' needs to be completely accommodated in the accommodating space of the material channel 31, that is, the width of the top of the accommodating space is greater than or equal to the maximum width of the elastic buckle 10 ', and the height of the accommodating space is greater than or equal to the maximum height of the elastic buckle 10 '.

Referring to fig. 15, the distributing head 32 includes a distributing head base 321 and a distributing head body 322 located on the distributing head base, the distributing head base 321 is fixedly connected to the first driving mechanism, a hollow accommodating groove 3221 is disposed on the distributing head body, and the accommodating groove 3221 is communicated with the accommodating space in the material channel 31.

As shown in fig. 16, the height of the receiving groove 3221 in this embodiment is lower than the height of the receiving space in the material channel 31, and the top of the material dividing head body 322 is flush with the top of the side plate 313 of the material channel.

When the elastic buckle 10 ' is located in the accommodating space in the material channel 31, the extension arms 13 ' on both sides of the elastic buckle 10 ' are located in the recessed space on the inner side of the material channel cover plate 312.

When the elastic buckle 10 'is located in the receiving groove 3221, the positions of the extension arms 13' on both sides of the elastic buckle 10 'are outside the receiving groove 3221, and the two extension parts 13' are located above the surface of the stub bar body 322.

Further, in this embodiment, an included angle between the feeding mechanism and the horizontal direction is 10 ° to 45 °, and preferably, in this embodiment, 30 ° is taken as an example for description.

The feeding principle of the feeding mechanism 30 in this embodiment is as follows:

the elastic buckle 10 'is loaded from an end of the material channel 31 far away from the material distribution head 32, the elastic buckle 10' gradually slides down into the accommodating groove 3221 in the material distribution head 32 along the accommodating space in the material channel 31, and after the elastic buckle 10 'in the accommodating groove 3221 is clamped out, the elastic buckle 10' at the end of the material channel 31 is subjected to position compensation.

Since the two sides of the bottom wall 11 'of the elastic buckle 10' are further provided with the protrusions 111 ', in order to ensure the transportation of the elastic buckle 10' from the material channel 31 to the material distribution head 32, an included angle between the bottom surface of the receiving groove in the material distribution head and the bottom surface of the receiving space in the material channel is 160 ° to 179 °, and preferably, in this embodiment, is 170 °. The design of the angle can ensure that the protrusions 111 'at the bottom of the two elastic buckles 10' do not overlap with each other.

The first drive mechanism and the second drive mechanism in the present embodiment will be described in detail with reference to fig. 2 to 6.

The first driving mechanism is a first cylinder 41, and the first cylinder 41 is fixedly installed above the fixed base plate 10.

The second driving mechanism comprises a second cylinder 51 fixedly mounted below the fixed base plate 10, a rotating shaft 52 penetrating through the fixed base plate, a connecting block 53 fixedly mounted above the rotating shaft, and a transmission structure located between the second cylinder and the rotating shaft, the clamping mechanism 20 is fixedly mounted on the side surface of the connecting block 53, and the second cylinder 51 drives the connecting block 53 and the clamping mechanism 20 on the side surface thereof to rotate in a plane through the transmission structure and the rotating shaft 52.

Specifically, the transmission structure includes a linear guide 541 fixedly mounted on the back surface of the fixed base plate, a slider 542 slidably mounted on the fixed guide, a rack 543 fixedly mounted on the slider and fixedly mounted with the piston rod of the second cylinder, and a gear 544 fixedly mounted at the lower end of the rotating shaft.

Further, a rack fixing block 545 is fixedly installed on the sliding block 542, the rack 543 is fixedly installed on the rack fixing block 545, a limiting block 546 is fixedly installed at a side portion of the rack fixing block 545, a plurality of limiting pieces 547 are fixedly installed on the back surface of the fixing base plate 10, and the linear reciprocating motion of the rack 543 is realized through the limiting of the limiting block 546 and the limiting pieces 547.

The limiting member 547 in this embodiment includes a limiting member main body 5471 fixedly installed on the back surface of the fixing base plate and a limiting nut 5472 installed to penetrate through the limiting member main body, the limiting nut 5472 is rotatably installed on the limiting member main body 5471, and the limiting position can be adjusted by setting the limiting nut.

In this embodiment, when the second cylinder drives the rack to linearly reciprocate between the two limiting members, the gear and the rotating shaft can drive the connecting block to alternately rotate in a clockwise and counterclockwise reciprocating manner by 360 degrees in a plane.

Preferably, the cartridge clip assembly in this embodiment includes four sets of clamping mechanisms distributed at 90 °, two sets of feeding mechanisms located at two sides of the clamping mechanisms, and two first driving mechanisms for driving the two distributing heads respectively.

The connecting block 53 in the second driving mechanism can alternately rotate in a reciprocating manner within 360 degrees clockwise and counterclockwise in a plane, and the clamping and assembling process of the elastic buckle is performed once when the connecting block rotates 90 degrees.

As shown in fig. 2, at this time, the two clamping mechanisms are respectively aligned with the material distributing heads in the two feeding mechanisms, the two material distributing heads are driven by the first cylinder 41 to move in the direction towards the connecting block 53, the clamping of the elastic buckle by the clamping mechanisms is realized in the moving process, the two material distributing heads are driven by the first cylinder 41 to move in the direction away from the connecting block 53 after being clamped to the elastic buckle, and the separation of the clamping mechanism 20 and the elastic buckle is realized.

After the elastic buckles are clamped by the two clamping mechanisms 20, the elastic buckles rotate clockwise or anticlockwise by 90 degrees through the connecting blocks 53 in the second driving mechanism, at the moment, the two elastic buckles can be assembled with the panel hole positions, and the assembling process is realized through the mechanical arm and the control unit.

In the process of assembling the two elastic buckles, the other two clamping mechanisms 20 are just opposite to the two material distributing heads, and the elastic buckles can be clamped through the other two clamping mechanisms 20 by repeating the above clamping process.

It should be understood that in other embodiments, the number of the clamping mechanism, the feeding mechanism and the first driving mechanism may be designed according to the requirement, and a detailed description thereof is omitted.

The utility model also discloses an automatic assembly system, including arm, the control unit of controlling the arm motion, and fixed mounting in the terminal cartridge clip subassembly of arm, the cartridge clip subassembly in above-mentioned embodiment, PMKD and the terminal fixed mounting of arm in the cartridge clip subassembly.

The assembly of the elastic buckle in the system is realized through the control unit and the mechanical arm, the elastic clamp assembly integrally moves along with the fixed bottom plate 10 in the assembly process, and the control of the mechanical arm and the control of the first driving mechanism are independently carried out. Thus, the clamping and releasing of the elastic snap can also be achieved by the clamping mechanism 20 during the assembly process.

In the utility model, the design of the firing pin and the elastic clamping jaw in the clamping mechanism can realize the clamping and the release of the elastic buckle, and has better clamping stability; the design of a material channel and a material distributing head in the feeding mechanism can realize the feeding and the material distributing of the elastic buckle; the first driving mechanism can control the material distributing head to automatically distribute materials, so that the material distributing efficiency is improved; the second driving mechanism can drive the clamping mechanism to rotate in a plane, and the driving structure is simple and high in driving precision; the cartridge clip assembly can synchronously clamp and assemble the elastic buckles on different clamping mechanisms, so that the whole process time is shortened, and the generation efficiency is improved.

According to the technical scheme provided by the utility model, the utility model discloses following beneficial effect has:

It is obvious to a person skilled in the art that the invention is not restricted to details of the above-described exemplary embodiments, but that it can be implemented in other specific forms without departing from the spirit or essential characteristics of the invention. The present embodiments are therefore to be considered in all respects as illustrative and not restrictive, the scope of the invention being indicated by the appended claims rather than by the foregoing description, and all changes which come within the meaning and range of equivalency of the claims are therefore intended to be embraced therein. Any reference sign in a claim should not be construed as limiting the claim concerned.

Furthermore, it should be understood that although the present description refers to embodiments, not every embodiment may contain only a single embodiment, and such description is for clarity only, and those skilled in the art should integrate the description, and the embodiments may be combined as appropriate to form other embodiments understood by those skilled in the art.

Claims

1. The clamping mechanism based on the elastic buckle is characterized by comprising a firing pin and elastic clamping jaws fixedly mounted on two sides of the firing pin, wherein the firing pin is arranged outside the elastic clamping jaws in a protruding mode, and the clamping mechanism is used for clamping and releasing the elastic buckle.

2. The clamping mechanism based on the elastic buckle as claimed in claim 1, wherein the striker comprises a striker mounting portion, a striker main body portion fixed on the striker mounting portion, and a striker end portion fixed on an end of the striker main body portion, wherein a through hole is formed in the striker end portion in a hollow manner, and a width of the through hole is larger than a width of the elastic arm in the elastic buckle.

3. The elastic buckle based clamping mechanism as claimed in claim 1, wherein the elastic clamping jaw comprises a clamping jaw body portion fixedly mounted on the firing pin, a clamping jaw connecting portion fixed on the clamping jaw body portion, and two clamping jaw clamping portions fixedly mounted on the clamping jaw connecting portion, and the distance between the two clamping jaw clamping portions is greater than the width of the elastic arm in the elastic buckle.

4. The clip mechanism of claim 2 wherein the thickness of the striker end is greater than the natural distance between the two spring arms of the spring clip.

5. The clip mechanism of claim 3, wherein the distance between the jaw connecting portion and the striker gradually decreases from the end connected to the jaw body portion to the end connected to the jaw clamping portion.

6. The clamping mechanism based on the elastic buckle as recited in claim 3, wherein the clamping jaw clamping portion is arranged to protrude outwards, and the distance between the clamping jaw clamping portion and the firing pin is gradually increased and then gradually decreased from the end connected with the clamping jaw connecting portion to the end far away from the clamping jaw connecting portion.

7. The resilient clip-based clip mechanism of claim 3 wherein the distance between the two jaw clips is greater than the width of the resilient arms in the resilient clip.

8. The resilient snap-based clip mechanism of claim 2 wherein said striker end is provided with a sloped transition surface at the periphery of the through hole.